7645972211 has 2 divisors, whose sum is σ = 7645972212. Its totient is φ = 7645972210.

The previous prime is 7645972199. The next prime is 7645972237. The reversal of 7645972211 is 1122795467.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7645972211 - 2¹⁴ = 7645955827 is a prime.

It is not a weakly prime, because it can be changed into another prime (7645972811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3822986105 + 3822986106.

It is an arithmetic number, because the mean of its divisors is an integer number (3822986106).

Almost surely, 2^7645972211 is an apocalyptic number.

7645972211 is a deficient number, since it is larger than the sum of its proper divisors (1).

7645972211 is an equidigital number, since it uses as much as digits as its factorization.

7645972211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 44.

The square root of 7645972211 is about 87441.2500539648. The cubic root of 7645972211 is about 1970.0514653256.

The spelling of 7645972211 in words is "seven billion, six hundred forty-five million, nine hundred seventy-two thousand, two hundred eleven".